Zip Code 45368, South Charleston, OH. Get all this data for every U.S. ZIP Code in 1 easy to use database. Map the boundaries of this ZIP Code and others on any map platform.
, works at Various Contracts. An ICBM in ballistic flight constantly changes speed and altitude, so it's incorrect to think of a steady speed or altitude. A two- or three-stage booster burns for a few minutes, and accelerates the payload to a velocity of 6-7 km/sec .
The twin Scramjet engines were ignited during the second stage of the rocket when the ATV achieved a speed of 7350 km/hr (Mach 6) at an altitude of 20 km. The Scramjet engines were fired for a duration of about 5 seconds. Design principles